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2 commits

Author SHA1 Message Date
Andreas Kling
de424d6879 LibJS: Make Completion.[[Value]] non-optional
Instead, just use js_undefined() whenever the [[Value]] field is unused.
This avoids a whole bunch of presence checks.
2025-04-05 11:20:26 +02:00
Andreas Kling
a0bb31f7a0 LibJS: Make async functions & generators faster with helper types
Instead of returning internal generator results as ordinary JS::Objects
with properties, we now use GeneratorResult and CompletionCell which
both inherit from Cell directly and allow efficient access to state.

1.59x speedup on JetStream3/lazy-collections.js :^)
2025-04-01 02:30:42 +02:00